soft swap
a swinging practice in which two couples swap partners but without full sexual intercourse. / a swinging practice in which two couples have sex in the same room without swapping partners.
(differential geometry) Given a point P on a surface M, the tangent plane of M at point P, denoted by T_P(M), is the plane passing through P which contains the tangent lines of all the curves on M ...
(US) A small palm tree often grown indoors, Chamaedorea elegans
plural of momentum
アカウントを持っていませんか？ 新規登録
アカウントを持っていますか？ ログイン
DiQt（ディクト）
無料
★★★★★★★★★★
